| Shiawassee County 2009 (W8MSP) | ||||||
| Description | Frequency | Type | City | PL Tone | DPL Tone | LTR# |
| Byron Area Ambulance | 155.175 | |||||
| Byron Area Ambulance Secondary | 155.16 | |||||
| Byron Area Schools | 461.8 | |||||
| Canadian National Railroad Road | 160.59 | |||||
| Canadian National Railroad TD2 | 160.53 | |||||
| Canadian National Railroad TD3 | 161.22 | |||||
| Canadian National Railroad Yard | 160.845 | |||||
| Central Michigan | 161.28 | |||||
| Central Michigan | 161.31 | |||||
| Corunna Ambulance | 155.175 | |||||
| Durand Vernon Ambulance | 155.175 | |||||
| EMS to Hospital HEAR | 154.34 | |||||
| H.E.A.R.N. | 155.34 | |||||
| Laingsburg Police LEIN | 154.965 | |||||
| Owosso Ambulance | 154.19 | R | ||||
| Perry School Buses | 464.175 | |||||
| Road Commission | 159.12 | |||||
| Shiawassee Ambulance | 155.175 | |||||
| Shiawassee Central Police Dispatch | 155.43 | R | 173.8 | |||
| Shiawassee Channel 3 | 154.965 | R | 173.8 | |||
| Shiawassee County Fire | 154.355 | R | 173.8 | |||
| Shiawassee Detectives | 158.73 | 173.8 | ||||
| Shiawassee LEIN | 154.965 | 173.8 | ||||
| Shiawassee Sheriff Ch-2 | 154.785 | 173.8 | ||||
| Shiawassee Tac | 156.15 | 173.8 | ||||
| Tuscola & Saginaw Bay | 160.575 | |||||